
Thunder i7501S2720-533
Quick Reference
Jumper OFF –open (without pin)
Jumper ON –closed (with pin)
J21 CMOS Clear
J22 External speaker header
J34 Serial Port internal header
J38 WOL ( Wake On LAN) 82551
only
J39 HardwareMonitorLED
(Reserved) See manual
J40 Front panel connector
J41 Hard disk activity LED external
input. See manual.
J42 SMDC (Server Management
DaughterCard)connector
J43 I2C bus connector (Reserved)
See manual.
J49 Hyper Threading control
J50 USBheader#2
J51 USBheader#3
J53
&
J58
Intel GbE 82546 4-pin external
LAN activity/link
LED headers. Note: Left most
pinispin1.
J55 Intel825514 -pin external LAN
activity/linkLEDheader
J65 Force 400Mhz FSB instead of
533MhzFSB
JP3 FAN 3 current rate select
J40 Front Panel Connector
Signal Pin Pin Signal
GND
18 17 Chassis
Intrusion
(lowasserted)
Not connected 16 15 IR_TX
Not connected 14 13 GND
GND 12 11 IR_RX
N/A
10 9+5V
GND 87ResetButton
Power Button
(lowasserted) 65GND
PowerLED
Cathode (-) 43Hard Disk LED
Cathode(-)
PowerLED
Anode (+) 21Hard Disk LED
Anode (+)
http://www.TYAN.com
J21 Reset the CMOS
You can reset the CMOS settings in case an
incorrect setting causes system instability or
you have forgotten your system/setup
passwordor havejust flashedyour BIOSby
using these jumpers.
1. Power off system, disconnect power
supplyfrommotherboard
2. Set jumper J21 to Clear CMOS
3. Wait about 5 seconds
4. Set jumper J21 to Normal
1
ClearCMOS
1
Default
Power Supply
The Thunder i7501requires an
EPS12V Power supply
Check Manual for details